| 对数似然值b | ||
| 幂 | −2.000 | −249.514 |
| −1.500 | −248.324a | |
| −1.000 | −248.528 | |
| −0.500 | −250.044 | |
| 0.000 | −252.286 | |
| 0.500 | −254.536 | |
| 1.000 | −256.279 | |
| 1.500 | −257.297 | |
| 2.000 | −257.600 | |